Pneumoencephalography

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pneumoencephalography [¦nü·mō·in‚sef·ə′läg·rə·fē]

(medicine)

A method of visualizing the ventricular system and subarachnoid pathways of the brain by roentgenography after removal of spinal fluid followed by the injection of air or gas into the subarachnoid space.

Pneumoencephalography

(also cerebral pneumography, encephalography), X-ray examination of the brain by artificially contrasting the fluid-containing spaces. The procedure was introduced in 1918 by the American neurosurgeon W. Dandy. The contrasting agent is usually air or oxygen; it is most commonly injected by means of cerebrospinal puncture. After injection of the contrasting agent, an X ray of the skull is taken in various projections.

Pneumoencephalography is used as a diagnostic tool to detect various changes in the ventricles, cisternae, and fissures of the subarachnoid cavity of the brain (enlargement, constriction, shifting).

In modern neurology the term “encephalography” is used to designate any one of various methods of examining the brain.

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No references found			5) Subsequent advances in neuroimaging that followed include ventriculography in 1918, pneumoencephalography in 1919, and arteriography in 1927. Brain tumors: recent advances in diagnosis and classification by Fuller, Gregory N. / Archives of Pathology & Laboratory Medicine Cerebral angiography and pneumoencephalography were uninformative. Neurologic and cardiac progression of glycogenosis type VII over an ... by Kopsa, Wolfgang / Southern Medical Journal 1) Other conditions that have been linked to pitutiary apoplexy include an elevated estrogen concentration (eg, pregnancy, exogenous administration), certain diagnostic procedures (eg, angiography, pneumoencephalography, CT scans), as well as dynamic testing of the pituitary using gonadotropin-releasing hormone (GnRH). Correspondence by Southern Medical Journal			Pneumatic Weapon pneumatic weighing system pneumatically applied concrete pneumatically applied mortar pneumatics pneumatocele pneumatocodon pneumatogenic Pneumatolysis pneumatolytic Pneumatolytic Deposits pneumatolytic metamorphism pneumatolytic stage Pneumatomechanical Spinning Pneumatophore pneumatosaccus pneumatosis pneumaturia pneumoangiography pneumobacillus Pneumococcus Pneumoconioses pneumoconiosis pneumocystis carinii Pneumocystis carinii pneumonia Pneumoencephalography pneumoenteritis Pneumography pneumohemothorax pneumolithiasis pneumomycosis pneumonectomy Pneumonia pneumonic plague pneumonitis pneumonolysis pneumopericardium pneumoperitoneum Pneumosclerosis pneumostome pneumotectic Pneumothorax PNG pnicogen pnictide Pniewski, Bogdan pnigophobia Pnin, Ivan Pnin, Ivan Petrovich pnip transistor PNL			Pneumocystis jiroveci pneumonia Pneumocystis jirovecii Pneumocystis jirovecii Pneumocystis jirovecii pneumonia Pneumocystis jirovecii pneumonia pneumocystis pneumonia pneumocystis pneumonia pneumocystis pneumonia Pneumocystis pneumonia (PCP) Pneumocystis pneumonia (PCP) pneumocystogram pneumocystography pneumocystosis pneumocystosis Pneumocyte Pneumocytes pneumocytosis pneumoderma Pneumodermatidae pneumodynamics pneumodynamics Pneumoencephalitic or Neurotropic Newcastle's Disease pneumoencephalitis pneumoencephalocele pneumoencephalogram pneumoencephalogram pneumoencephalogram pneumoencephalogram pneumoencephalographic pneumoencephalographic Pneumoencephalography pneumoenteritis pneumoenteritis pneumoextraperitoneography pneumogastric pneumogastric pneumogastric pneumogastric nerve pneumogastric nerve pneumogastric nerve pneumogastric nerve pneumogastrogram pneumogastrography pneumogram pneumograph pneumograph pneumograph pneumographic pneumographic pneumography pneumography pneumography pneumohemopericardium pneumohemothorax pneumohemothorax pneumohydrometra pneumohydropericardium pneumohydroperitoneum pneumohydrothorax pneumolith pneumolithiasis

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